Common control telephone systems



Nov. 8, 1955 w. A. MALTHANER ET AL 2,723,311

COMMON CONTROL TELEPHONE SYSTEMS 7'7 Sheets-Sheet 1 Filed March 5, 1953m A. MALTHANER NVQ/m5 H. E. VAI/@HAN MOO/9,024

Arron/Mgr Nov. 8, 1955 W. A.. MALTHANER ET AL COMMON CONTROL TELEPHONESYSTEMS 77 Sheets-Sheet 2 Filed March 5, 1953 ATTORNEY NOV- 8, 1955 w.A. MALTHANER ET AL 2,723,311

COMMON CONTROL TELEPHONE SYSTEMS Filed MaICAh 5, 1953 mw M Mu Q A MV w wmws ATTORNEY NOV- 8, l955 w. A. MALTHANER ET AL 2,723,311

COMMON CONTROL TELEPHONE sYsTEMs 77 Sheets-Sheet 4 Filed March 5, 1953 Smwms S BV i) TTOR/VEV NOV 8, 1955 w. A. MALTHANER ETAL 2,723,311

COMMON CONTROL TELEPHONE SYSTEMS Filed March 5, 1955 77 SheetS-Sheet 5DIAL/NG m ,4. MALTHANER NVU/TOPS H. E. VAUGHA/v ATTORNEY NOV- 8 1955 w.A. MALTHANl-:R ETAL 2,723,311

COMMON CONTROL TELEPHONE SYSTEMS 77 Sheets-Sheet 6 Filed March 5, 1953 wA. MALTHANER NVE/V70 H. E. VAI/@HAN BV SMQ@ ATTORNEY w` A. MALTHANERETAL 2,723,311

COMMON CONTROL TELEPHONE SYSTEMS Nov. 8, 1955 77 Sheets-Sheet 7 FiledMarch 5, `1953 u .www SSQMWWY WA. MALTHANER WENTORS H. E. VAI/@HAN By5M@ .M291

ATTORNEY N0V- 8, 1955 w. A. MALTHANER ET AL 2,723,311

COMMON CONTROL TELEPHONE SYSTEMS Filed March 5, 1953 7'7 Sheets-Sheet 8BV E A TTOR/VEV NOV 8, 1955 w. A. MALTHANER ETAL 2,723,311

COMMON CONTROL TELEPHONE SYSTEMS Filed March 5, 195s d 'n sheets-sheet 95,8

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READ SYNC/7'.

DIAL/NG A$SEMBLER6 W. A. MALTHANER /NVENToRs H VAUGHAN A TTORNE V NOV 8,1955 w. A. MALTHANER :TAL 2,723,311

COMMON CONTROL TELEPHONE SYSTEMS 7'7 Sheets-Sheet 10v n4 A.. MALHAA/ER/NVENTORS H 5 wqUG/AN BV /vwf'J/wlfdd ATTORNEY Filed March 5, 195s N0V8, 1955 w. A. MALTHANER ET AL 2,723,311

COMMON CONTROL TELEPHONE SYSTEMS WJD DIAL/NG ASSEMBLER-' W A. MALTHANER/NVE/voRs HE VAUGHAN ATTORNEY N0V 8, l955 w. A. MALTHANER ET AL2,723,311

COMMON CONTROL TELEPHONE SYSTEMS Filed March 5, `1952 77 Sheets-Sheet l2bbl /Nl/EN TORS W A. MLTHNER H. E VUGHN By 2144' 3. ATTORNEY w. A.MALTHANER ET AL 2,723,311

COMMON CONTROL TELEPHONE SYSTEMS 77 Sheets-Sheet 13 v OMM w. A. MA/IrHAA/ER H. E. l/A UGH/1N Nov. 8, 1955 Filed March 5, 1953 A TTORA/F YNOV 8, 1955 w. A. MALTHANER ETAL 2,723,311

COMMON CONTROL TELEPHONE SYSTEMS 77 Sheets-Shea?I 14 Filed March 5, 1953NMD MAMA/ THANER Nm/70 H, E. VAUGHA/v 8&9. QL@

ATTORNEY NOV 8, 1955 w. A. MALTHANER ET AL 2,723,311

COMMON CONTROL TELEPHONE SYSTEMS ATTORNEY 5 5 9 l 8 v. o N

77 Sheets-Sheet 16 Filed March 5, 1953 m m Mm T S Em RO Em N E Am HT TLm Am Mw .C A@ ww 0 C 5 5 9 l oo, v. O N

77 Sheets-Sheet 17 Filed March 5, 1953 m MN A mm M MU Q Mm W AE. WH. m yW B VC w .Qu

ATTORNEY N0V- 8, 1955 w. A. MALTHANER ET AL 2,723,311

COMMON CONTROL TELEPHONE SYSTEMS 77 Sheets-Sheet 18 Filed March 5, 1953V, m MN M A T mm Q m V WH. h y W B VL w but NV 8, 1955 w. A. MALTHANERETAL 2,723,311

COMMON CONTROL TELEPHONE SYSTEMS Filed March 5, 1953 77 Sheets-Sheet 19OFF/CE U VU Q: E D E ad,

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COMMON CONTROL TELEPHONE SYSTEMS Filed March 5, 1953 77 Sheets-Sheet 2OCAL LED nf. A. MALTHANER WVM/Tg? H. E. VAUGHA/v Q k LMA/Libk L ATTORNEY

